The Chrosziel MB-840-02 Matte Box is designed to be used with 15mm diameter rods. It comes with french flag, pivot mechanism, swing-away bracket for 15mm diameter LWS (Light Weight Support) rods, 2 rotating filterholders, and 142.5 mm diameter rear plate.
The swing-away design allows for quick and easy lens change. The quick-lock device allows easy change of the double filter stage. The swing-away bracket fits on lightweight supports with 15 mm rod diameter. The connecting diameter is 142.5mm. Light protection rings (and step down rings respectively) are available (sold separately) for all prime and zoom lenses of film and SD / HD and digital cine cameras.